词根词缀：etho-, eth-, ethi-

【来源及含义】Greek: custom, habit; character, manners; usage

【同源单词】caco, ethic, ethical, ethicality, ethicize, ethics

词根词缀：-ic

【来源及含义】Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous

【同源单词】abdominocystic, abdominopelvic, abdominoscopy, abdominothoracic, abiogenetic, abiogenic